Chromium

Patents Grantslast 30 patents

  • Information Patent Grant

    Plow chisel with pointed shank having pointed chisel cap secured th...

    • Patent number 4,363,364
    • Issue date Dec 14, 1982
    • Adams Hard-Facing Company, Inc.
    • Halsey J. Wetmore
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    2252697

    • Patent number 2,252,697
    • Issue date Aug 19, 1941
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2243608

    • Patent number 2,243,608
    • Issue date May 27, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1947916

    • Patent number 1,947,916
    • Issue date Feb 20, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1927912

    • Patent number 1,927,912
    • Issue date Sep 26, 1933
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1920934

    • Patent number 1,920,934
    • Issue date Aug 1, 1933
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1842037

    • Patent number 1,842,037
    • Issue date Jan 19, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1817680

    • Patent number 1,817,680
    • Issue date Aug 4, 1931
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    1809872

    • Patent number 1,809,872
    • Issue date Jun 16, 1931
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    1803691

    • Patent number 1,803,691
    • Issue date May 5, 1931
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    1802695

    • Patent number 1,802,695
    • Issue date Apr 28, 1931
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1802463

    • Patent number 1,802,463
    • Issue date Apr 28, 1931
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    1792494

    • Patent number 1,792,494
    • Issue date Feb 17, 1931
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    1792082

    • Patent number 1,792,082
    • Issue date Feb 10, 1931
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    1757543

    • Patent number 1,757,543
    • Issue date May 6, 1930
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    1746751

    • Patent number 1,746,751
    • Issue date Feb 11, 1930
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1745912

    • Patent number 1,745,912
    • Issue date Feb 4, 1930
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    1744908

    • Patent number 1,744,908
    • Issue date Jan 28, 1930
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1731790

    • Patent number 1,731,790
    • Issue date Oct 15, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1731202

    • Patent number 1,731,202
    • Issue date Oct 8, 1929
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1728168

    • Patent number 1,728,168
    • Issue date Sep 10, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1720815

    • Patent number 1,720,815
    • Issue date Jul 16, 1929
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1719824

    • Patent number 1,719,824
    • Issue date Jul 9, 1929
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1712876

    • Patent number 1,712,876
    • Issue date May 14, 1929
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    1709729

    • Patent number 1,709,729
    • Issue date Apr 16, 1929
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1708715

    • Patent number 1,708,715
    • Issue date Apr 9, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1697086

    • Patent number 1,697,086
    • Issue date Jan 1, 1929
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1688060

    • Patent number 1,688,060
    • Issue date Oct 16, 1928
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1680276

    • Patent number 1,680,276
    • Issue date Aug 14, 1928
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    1673779

    • Patent number 1,673,779
    • Issue date Jun 12, 1928
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS